deb: match archive sources and the universe gate through the distro mirror data

src/deb/local.rs

@@ -135,11 +135,21 @@ pub async fn build(
         }
     }
 
-    // UBUNTU: Ensure 'universe' repository is enabled
-    for source in &mut sources {
-        if source.uri.contains("ubuntu") && !source.components.contains(&"universe".to_string()) {
-            source.components.push("universe".to_string());
-            modified = true;
+    // UBUNTU: Ensure the 'universe' component is enabled on official
+    // Ubuntu sources (many build dependencies live there). The old
+    // `uri.contains("ubuntu")` gate also caught third-party repositories
+    // whose URL merely mentions Ubuntu; the mirror-data check leaves them
+    // alone. 'universe' is only added when Ubuntu's component list still
+    // carries it.
+    let ubuntu_components = crate::distro_info::get_dist_components("ubuntu")?;
+    if ubuntu_components.iter().any(|c| c == "universe") {
+        for source in &mut sources {
+            if crate::distro_info::is_official_source("ubuntu", &source.uri)
+                && !source.components.contains(&"universe".to_string())
+            {
+                source.components.push("universe".to_string());
+                modified = true;
+            }
         }
     }